-----BEGIN PGP SIGNED MESSAGE-----
AUSCERT External Security Bulletin Redistribution
LCDS Ã¢Â€Â“ Leao Consultoria e Desenvolvimento de Sistemas Ltda ME LAquis SCADA
6 April 2018
AusCERT Security Bulletin Summary
Product: LAquis SCADA
Operating System: Windows
Impact/Access: Denial of Service -- Existing Account
Execute Arbitrary Code/Commands -- Existing Account
CVE Names: CVE-2018-5463
- --------------------------BEGIN INCLUDED TEXT--------------------
LCDS Leao Consultoria e Desenvolvimento de Sistemas Ltda ME LAquis SCADA
Original release date: April 05, 2018
All information products included in http://ics-cert.us-cert.gov are provided
"as is" for informational purposes only. The Department of Homeland Security
(DHS) does not provide any warranties of any kind regarding any information
contained within. DHS does not endorse any commercial product or service,
referenced in this product or otherwise. Further dissemination of this product
is governed by the Traffic Light Protocol (TLP) marking in the header. For
more information about TLP, see http://www.us-cert.gov/tlp/.
1. EXECUTIVE SUMMARY
CVSS v3 7.0
Vendor: LCDS - Leao Consultoria e Desenvolvimento de Sistemas LTDA ME
Equipment: LAquis SCADA
Vulnerability: Improper Check or Handling of Exceptional Conditions
2. RISK EVALUATION
Successful exploitation of this vulnerability could cause the device an
attacker is accessing to crash, resulting in a structured exception handler
overflow condition, which may allow code execution.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
The following versions of LAquis SCADA, an industrial automation software, are
LAquis SCADA software versions 22.214.171.12491 and prior.
3.2.1 IMPROPER CHECK OR HANDLING OF EXCEPTIONAL CONDITIONS CWE-703
A structured exception handler overflow vulnerability has been identified that
may allow code execution.
CVE-2018-5463 has been assigned to this vulnerability. A CVSS v3 base score of
7.0 has been calculated; the CVSS vector string is
Critical Infrastructure Sectors: Chemical, Commercial Facilities, Energy,
Food and Agriculture, Transportation Systems, Water and Wastewater Systems
Countries/Areas Deployed: South America
Company Headquarters Location: Joinville-SC, Brazil
Karn Ganeshen reported the vulnerability to NCCIC.
LCDS recommends that users update to version 126.96.36.19974, which can be found at
the following location:
http://laquisscada.com/instale1.php (link is external)
NCCIC recommends that users take defensive measures to minimize the risk of
exploitation of this vulnerability. Specifically, users should:
o Minimize network exposure for all control system devices and/or systems,
and ensure that they are not accessible from the Internet.
o Locate control system networks and remote devices behind firewalls, and
isolate them from the business network.
o When remote access is required, use secure methods, such as Virtual
Private Networks (VPNs), recognizing that VPNs may have vulnerabilities and
should be updated to the most current version available. Also recognize that
VPN is only as secure as the connected devices.
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to firstname.lastname@example.org
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
Australian Computer Emergency Response Team
The University of Queensland
Internet Email: email@example.com
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
-----BEGIN PGP SIGNATURE-----
-----END PGP SIGNATURE-----